Evidence map›Paper›PMID 29636463›Full record

ArticleEmerging microbes & infections2018

Genomic analysis of oral Campylobacter concisus strains identified a potential bacterial molecular marker associated with active Crohn's disease.

Fang Liu, Rena Ma, Chin Yen Alfred Tay, Sophie Octavia, Ruiting Lan, Heung Kit Leslie Chung, Stephen M Riordan, Michael C Grimm, Rupert W Leong, Mark M Tanaka and 2 more

Open access · goldAbstract read
In one paragraph

Article in Emerging microbes & infections, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed
3.8field-weighted citation impact, top 8% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

24 citing papers in PubMed, 33 citations in OpenAlex.

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  7. Analysis of globalMicrobial genomics · 2024
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  9. Investigating the Significance of Non-Healthcare (Basel, Switzerland) · 2023
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  10. Investigation ofFrontiers in microbiology · 2023
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  11. Regulatory effects of oral microbe on intestinal microbiota and the illness.Frontiers in cellular and infection microbiology · 2023
    Review
  12. Article
  13. Review
  14. Review
  15. Markers for discriminatingCurrent research in microbial sciences · 2021
    Article
  16. The role of oral bacteria in inflammatory bowel disease.Nature reviews. Gastroenterology & hepatology · 2021
    Review
  17. Journal of oral microbiology · 2021
    Article
  18. Analysis of completeMicrobial genomics · 2020
    Article
  19. Article
  20. Pathogenomics of EmergingClinical microbiology reviews · 2019
    Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors at 3 institutions in 2 countries.

Fang LiuSchool of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, NSW, Australia.
Rena MaSchool of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, NSW, Australia.
Chin Yen Alfred TayHelicobacter Research Laboratory, Marshall Centre for Infectious Diseases Research and Training, School of Pathology and Laboratory Medicine, University of Western Australia, Perth, WA, Australia.
Sophie OctaviaSchool of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, NSW, Australia.
Ruiting LanSchool of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, NSW, Australia.
Heung Kit Leslie ChungSchool of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, NSW, Australia.
Stephen M RiordanGastrointestinal and Liver Unit, Prince of Wales Hospital, University of New South Wales, Sydney, NSW, Australia.
Michael C GrimmSt George and Sutherland Clinical School, University of New South Wales, Sydney, NSW, Australia.
Rupert W LeongConcord Hospital, University of New South Wales, Sydney, NSW, Australia.
Mark M TanakaSchool of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, NSW, Australia.
Susan ConnorLiverpool Hospital, University of New South Wales, Sydney, NSW, Australia.
Li ZhangSchool of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, NSW, Australia. L.Zhang@unsw.edu.au.
UNSW Sydney · AUConcord Repatriation General Hospital · AUUniversity of Western Australia · AU

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Campylobacter concisus is an oral bacterium that is associated with inflammatory bowel disease (IBD) including Crohn's disease (CD) and ulcerative colitis (UC). C. concisus consists of two genomospecies (GS) and diverse strains. This study aimed to identify molecular markers to differentiate commensal and IBD-associated C. concisus strains. The genomes of 63 oral C. concisus strains isolated from patients with IBD and healthy controls were examined, of which 38 genomes were sequenced in this study. We identified a novel secreted enterotoxin B homologue, Csep1. The csep1 gene was found in 56% of GS2 C. concisus strains, presented in the plasmid pICON or the chromosome. A six-nucleotide insertion at the position 654-659 bp in csep1 (csep1-6bpi) was found. The presence of csep1-6bpi in oral C. concisus strains isolated from patients with active CD (47%, 7/15) was significantly higher than that in strains from healthy controls (0/29, P = 0.0002), and the prevalence of csep1-6bpi positive C. concisus strains was significantly higher in patients with active CD (67%, 4/6) as compared to healthy controls (0/23, P = 0.0006). Proteomics analysis detected the Csep1 protein. A csep1 gene hot spot in the chromosome of different C. concisus strains was found. The pICON plasmid was only found in GS2 strains isolated from the two relapsed CD patients with small bowel complications. This study reports a C. concisus molecular marker (csep1-6bpi) that is associated with active CD.

Indexed as

Genetic MarkersAdolescentAdultAgedBacterial ProteinsCampylobacterCampylobacter InfectionsChild, PreschoolChromosomes, BacterialCrohn DiseaseFemaleGenome, BacterialGenomicsHumansMaleMiddle AgedBacterial ProteinsGenetic Markers

Identifiers

PMID29636463
PMCPMC5893538
OpenAlexW2797921740

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.